UNDATED - The Stearns County Sheriff's Department is investigating vandalism to several vehicles.  The vandalism is happening at night, over the past week.

Residents have been waking to find their vehicles damaged by a rock, paving stone, or other item thrown through the window.  In most cases the vehicle has been parked on a street.

The incidents have happened in Avon, Albany, Freeport, New Munich, and Melrose.

t least 20 vehicles have been damaged.